title: Symptomatic cervical thymic cyst in a neonate.
abstract: Thymic cysts are unusual neck masses in adults and children and are rarely differentiated from other neck masses by physical examination. This is a case report of a thymic cyst producing airway obstruction in a neonate. The embryogenesis and differential diagnosis of thymic cysts are reviewed.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology; D003560:Cysts / Q000150:complications / Q000151:congenital*; D006801:Humans; D007231:Infant, Newborn; D009333:Neck; D013950:Thymus Gland / Q000196:embryology*; D013953:Thymus Neoplasms / Q000150:complications / Q000151:congenital*